<form class="form-signin" role="form">
    <h2 class="form-signin-heading">登录</h2>
    <input type="text" class="form-control" data-server="name" placeholder="Email..." required="" autofocus="">
    <input type="password" class="form-control" data-server="pwd" placeholder="密码" required="">
    <label class="checkbox">
        <input type="checkbox" value="remember-me"> 记住密码
    </label>
    <input type="button" class="btn btn-lg btn-primary btn-block" value="登录" data-event="click,btn_submit_click">
</form>